Dexter’s Laboratory

Dexter’s Laboratory (1996 – 2003)

1996 • 4 seasons • Animation, Comedy • TV-Y7

On August 9, 2026

#9854 ▼ 2636

9854th by attention TV show online

2,016.9 Attention Score

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Episode 23 — The Justice Friends: Valhallen's Room

Season 1 • Dexter’s Laboratory

Released: 1996-11-27 • Animation/Comedy/Sci-Fi & Fantasy

70%

User score

Valhallen loses his magic ax and starts turning into a nerd, forcing Major Glory and Krunk to enter his room to find it.

Where to Stream Episode 23

Season 1 · Episode 23 · Streaming in USA

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Episodes

Episode 1
DeeDeemensional
1996-04-28

Episode 2
Dial M for Monkey: Magmanamus
1996-04-28

Episode 3
Maternal Combat
1996-04-28

Episode 4
Dexter Dodgeball
1996-05-05

Episode 5
Dial M for Monkey: Rasslor
1996-05-05

Episode 6
Dexter's Assistant
1996-05-05

Episode 7
Dexter's Rival
1996-05-12

Episode 8
Dial M for Monkey: Simion
1996-05-12

Episode 9
Old Man Dexter
1996-05-12

Episode 10
Double Trouble
1996-05-19

Episode 11
Dial M for Monkey: Barbequor
1996-05-19

Episode 12
Changes
1996-05-19

Episode 13
Jurassic Pooch
1996-05-26

Episode 14
Dial M For Monkey: Orgon Grindor
1996-05-26

Episode 15
Dimwit Dexter
1996-05-26

Episode 16
Dee Dee's Room
1996-06-02

Episode 17
Dial M For Monkey: Huntor
1996-06-02

Episode 18
The Big Sister
1996-06-02

Episode 19
Star Spangled Sidekicks
1996-11-20

Episode 20
The Justice Friends: TV Super Pals
1996-11-20

Episode 21
Game Over
1996-11-20

Episode 22
Babysitter Blues
1996-11-27

Episode 23
The Justice Friends: Valhallen's Room
1996-11-27

Episode 24
Dream Machine
1996-11-27

Episode 25
Dollhouse Drama
1996-12-04

Episode 26
The Justice Friends: Krunk's Date
1996-12-04

Episode 27
The Big Cheese
1996-12-04

Episode 28
Way of the Dee Dee
1996-12-11

Episode 29
The Justice Friends: Say Uncle Sam
1996-12-11

Episode 30
Tribe Called Girl
1996-12-11

Episode 31
Spacecase
1996-12-18

Episode 32
The Justice Friends: Ratman
1996-12-18

Episode 33
Dexter's Debt
1996-12-18

Episode 34
The Justice Friends: Bee Where?
1996-12-25

Episode 35
Mandarker
1996-12-25

Episode 36
Inflata Dee Dee
1997-01-01

Episode 37
The Justice Friends: Can't Nap
1997-01-01

Episode 38
Monstory
1997-01-01

Information

Creator	Genndy Tartakovsky
Episode air date	27.11.1996
Episode runtime	7 min
Episode rating	7.00
Genres	Animation / Comedy / Sci-Fi & Fantasy
TMDB series rating	7.7
IMDb series rating	7.8
Series status	Ended
Age rating	7+
Country	US

Trailer

Cast

Candi Milo
Dexter (voice)

Kat Cressida
Dee Dee (voice)

Jeff Bennett
Dad (voice)

Kath Soucie
Mom (voice)

Eddie Deezen
Mandark (voice)

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